About database

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Forum
17

Open several objectdb databases the same time

We tried to open objectdb databases from application and got following error: Attempt to open a database file 'D:\tmp\PAT-707\TC_9_2_3_1_8b@2015-09-17_12.08.15\TC_9_2_3_1_8b@2015-09-17_12.08.15.pa3 ... ) Caused by: com.objectdb.o.UserException: Attempt to open a database file 'D:\tmp\PAT-707\TC_9_2_3_1_8b
Forum
17

Corrupted Database or error in ObjectDBExplorer?

Hello, we have problems when we open our Database file with the ObjectDB-Explorer (2.6.8_b8 ... the Database-File? An analysis with the DB-Doctor found no problems.   We observe the error if we try to open ... " -> the expected Ids, but null for the class   any ideas? The data in this database is probably fine
Forum
17

Drop the entire database, Change the schema

I am trying to port and example app to ObjectDb. As part of the tests I drop the database ... to do this with ObjectDb, or is the only way to delete the database file everytime? Thanks You can delete the database ... have two PUs configured which are the same apart from this property, I use one to 'drop' the database
Issue
17

InternalException - error reading field from "queue" database

I trying to use an objectdb database as a persitent queue but have started getting the following ... shouldve added is that this db is running in server mode. I've taken a copy of the database ... guess the problem is actually on writting the objects to the db. Running the database
Forum
17

How force always recreate database on redeployment.

Is there some easy way to force recreation/deletion of the current database on deployment of a web ... . Currently, to avoid multiple models in the database, I have to undeploy from Glassfish, stop the server, delete the database file, re-start the objectdb server, re-run the web app, which is tedious
Forum
17

Queries are slow on a large database

Hi, I have a 12GB database with 787603 entries. It is much larger than usual ... have to scan the entire database file and is not using indexes. Therefore I think I am not doing ... to an existing database use the Doctor to create a new database in which the index is active
Forum
17

Database is erased after deploying a new web application version

) and deploy it from Tomcat's manager, I get a new empty database. I assume there is a way (possibly a simple one) of keeping the existing database and avoid this "database reset". If that's true, I'll be glad to hear about such a solution. Thanks in advanced, Yotam. Where is your database located (i.e
Forum
17

Database(*.odb) file size on disk

Hello, we have questions about the file size of ObjectDB database on disk. Can you tell ... memory always used by new entities? -Will be the database file automatically reduced?   We have created ... are reused but the the file not resized. The database is at the end empty again, but larger
Forum
17

How to define database structure and insert some initial objects from scratch

the initial database structure of our application? We know objectdb is all about objects and probably doesn't ... jdbc driver for ETL software like Kettle? How about migrating data from another database system? Thanks in advance! To populate the database you will have to write Java code. That code
Forum
17

Using multiple databases

Is it possible for an ObjectDB PersistenceManger/EntityManager to connect to more than one database at a time? Also, can objects in one database reference objects in another database (e.g. through globally unique identifiers)? You can use as many databases as needed at the same time but each